4440045647 has 4 divisors (see below), whose sum is σ = 4673732280. Its totient is φ = 4206359016.

The previous prime is 4440045641. The next prime is 4440045653. The reversal of 4440045647 is 7465400444.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4440045641) and next prime (4440045653).

It is a cyclic number.

It is not a de Polignac number, because 4440045647 - 2¹⁸ = 4439783503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4440045647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440045641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116843288 + ... + 116843325.

It is an arithmetic number, because the mean of its divisors is an integer number (1168433070).

Almost surely, 2^4440045647 is an apocalyptic number.

4440045647 is a deficient number, since it is larger than the sum of its proper divisors (233686633).

4440045647 is a wasteful number, since it uses less digits than its factorization.

4440045647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233686632.

The product of its (nonzero) digits is 215040, while the sum is 38.

The square root of 4440045647 is about 66633.6675187551. The cubic root of 4440045647 is about 1643.5987854709.

The spelling of 4440045647 in words is "four billion, four hundred forty million, forty-five thousand, six hundred forty-seven".